abgabesystem/abgabesystem.py
2018-03-28 17:20:30 +02:00

174 lines
4.5 KiB
Python

#!/usr/bin/env python3
import argparse
import yaml
import gitlab
import datetime
import logging as log
import csv
import secrets
class Deadline(yaml.YAMLObject):
"""A deadline"""
yaml_tag = 'Deadline'
def __init__(self, tag, time, ref):
self.tag = tag
self.time = time
self.ref = ref
def trigger(self, project):
"""Create protected tag on ref"""
try:
project.tags.create({
'tag_name': self.tag,
'ref': self.ref
})
except gitlab.exceptions.GitlabHttpError as e:
log.warn(e)
def test(self):
return self.time <= datetime.datetime.now()
class Course(yaml.YAMLObject):
"""A course"""
yaml_tag = 'Course'
def __init__(self, name, base, ldap, deadlines):
self.name = name
self.base = base
self.ldap = ldap
self.deadlines = deadlines
def create_group(self, gl):
path = self.name.replace(' ', '_').lower()
self.group = gl.groups.create({
'name': self.name,
'path': path
})
return self.group
class Student():
"""A student"""
def __init__(self, user, mail, name, group):
self.user = user
self.email = mail
self.name = name
self.group = group
def from_csv(csvfile):
reader = csv.DictReader(csvfile, delimiter=';', quotechar='"')
for line in reader:
yield Student(line['Nutzernamen'], line['E-Mail'], line['Vorname']
+ ' ' + line['Nachname'], line['Gruppe'])
def create_user(self, gl, ldap):
"""Creates a dummy user for users that do not exist in gitlab
but in LDAP and have not logged in yet"""
return gl.users.create({
'email': self.email,
'username': self.name,
'name': self.user,
'provider': ldap['provider'],
'skip_confirmation': True,
'extern_uid': 'uid=%s,%s' % (self.user, ldap['basedn']),
'password': secrets.token_urlsafe(nbytes=32)
})
def fork_project(gl, group, base, user):
"""Create user projects as forks from course/solutions in namespace of
course and add user as developer (NOT master) user should not be able
to modify protected TAG or force-push on protected branch users can
later invite other users into their projects"""
# fork course base project (e.g. solutions)
fork = base.forks.create({
'name': user['name'],
'namespace': group.namspace,
'visibility': 'private'
})
# add student as member of project
fork.members.create({
'user_id': user,
'access_level': gitlab.DEVELOPER_ACCESS
})
return fork
def create_project(group, name):
return group.projects.create({
'name': name,
'namespace_id': group.path,
'visibility': 'internal'
})
def deadlines(gl, course, args):
"""Checks deadlines for course and triggers deadline if it is reached"""
for deadline in course.deadlines:
if deadline.test():
deadline.trigger(course)
def sync(gl, courses, args):
"""Sync groups and students from Stud.IP to Gitlab and create student
projects
one-way sync!!!
"""
for course in courses:
course.create_group(gl)
create_project(course.group)
with open(args.students[0]) as csvfile:
for student in Student.from_csv(csvfile):
student.create_user(gl, course.ldap)
def parseconf(conf):
"""Reads courses from config file"""
with open(args.config, 'r') as conf:
return yaml.safe_load(conf)
if __name__ == '__main__':
gl = gitlab.Gitlab.from_config()
gl.auth()
parser = argparse.ArgumentParser()
parser.add_argument(
'--config', type=str, nargs=1, help='path to config file',
default='config.yml')
subparsers = parser.add_subparsers(title='subcommands')
sync_parser = subparsers.add_parser(
'sync',
description='students and courses from Stud.IP and LDAP')
sync_parser.set_defaults(func=sync)
sync_parser.add_argument('--students', nargs=1,
description='Students CSV file')
deadline_parser = subparsers.add_parser('deadlines',
description='trigger deadlines')
deadline_parser.set_defaults(func=deadlines)
args = parser.parse_args()
conf = parseconf(args.conf)
args.func(gl, conf, args)